A complete CNC control package (7" LCD with touch screen, miniPC board with installed myCNC software and myCNC Ethernet CNC control board) going to be very budget solution started from as low as $549 (for ET3 CNC control board included).

videos below show Height sensing control for fiber laser cutting torch, implemented through myCNC-ET1 integrated PID control.While usingET1 control board you get Height sensing free of charge. Just connect height sensor to one of ET1 ADC inputs and configure the software. Other advanced features like "THC low-speed" freeze, Tough screen interface for HC configuration you get for free as well.